fixed a bug in broadcast and fixed missing functions on the interface

broadcast/processor.go

@@ -56,7 +56,7 @@ func (p *processor) Process(msg format.Message,
 		jww.ERROR.Printf("Unrecognized broadcast method %d", p.method)
 	}
 
-	go p.cb(payload, receptionID, round)
+	p.cb(payload, receptionID, round)
 }
 
 // String returns a string identifying the symmetricProcessor for debugging purposes.

channels/interface.go

@@ -25,6 +25,15 @@ import (
 var ValidForever = time.Duration(math.MaxInt64)
 
 type Manager interface {
+
+	// JoinChannel joins the given channel. It will fail if the channel has
+	// already been joined.
+	JoinChannel(channel *cryptoBroadcast.Channel) error
+
+	// LeaveChannel leaves the given channel. It will return an error if the
+	// channel was not previously joined.
+	LeaveChannel(channelID *id.ID) error
+
 	// SendGeneric is used to send a raw message over a channel. In general, it
 	// should be wrapped in a function which defines the wire protocol
 	// If the final message, before being sent over the wire, is too long, this will